Ultra thin screwdriver
Christopher Tidy wrote:
Hi folks, I am looking for a flat screwdriver with an exceptionally thin blade, for use on clock mechanisms. The blade needs to be at least 3/16" long, but no more than 25/1000" thick. Does anyone know of a source for such a screwdriver? UK sources are preferred, if anyone knows of them. I know I can try grinding my own, but I'm not convinced I can do it neatly. Follow-ups set to rec.crafts.metalworking. Many thanks, Chris Tidy Don't expect much torque out of it, but you might try a thickness gauge. You may still need to grind the side to make it narrower. |
Ultra thin screwdriver
Al Patrick wrote:
Christopher Tidy wrote: Hi folks, I am looking for a flat screwdriver with an exceptionally thin blade, for use on clock mechanisms. The blade needs to be at least 3/16" long, but no more than 25/1000" thick. Does anyone know of a source for such a screwdriver? UK sources are preferred, if anyone knows of them. I know I can try grinding my own, but I'm not convinced I can do it neatly. Follow-ups set to rec.crafts.metalworking. Many thanks, Chris Tidy Don't expect much torque out of it, but you might try a thickness gauge. You may still need to grind the side to make it narrower. You mean a feeler gauge? I don't think one would be strong enough. Chris |
Ultra thin screwdriver
Christopher Tidy wrote:
Al Patrick wrote: Christopher Tidy wrote: Hi folks, I am looking for a flat screwdriver with an exceptionally thin blade, for use on clock mechanisms. The blade needs to be at least 3/16" long, but no more than 25/1000" thick. Does anyone know of a source for such a screwdriver? UK sources are preferred, if anyone knows of them. I know I can try grinding my own, but I'm not convinced I can do it neatly. Follow-ups set to rec.crafts.metalworking. Many thanks, Chris Tidy Don't expect much torque out of it, but you might try a thickness gauge. You may still need to grind the side to make it narrower. You mean a feeler gauge? I don't think one would be strong enough. It's spring steel. Slot the end of a piece of 3/16 drill rod to 1/2 or so. Insert 3/16 wide piece of .025 feeler gauge. Or hacksaw blade as John suggested. Either is good hard steel. Leave just enough sticking out to bottom in the screw slot, probably 1/16" or so. Epoxy in place. Add a handle for torque Should be plenty strong enough. You could also start the process with an old screwdriver with a 3/16 or larger slotted shank. |
Ultra thin screwdriver
RB wrote:
Christopher Tidy wrote: Al Patrick wrote: Christopher Tidy wrote: Hi folks, I am looking for a flat screwdriver with an exceptionally thin blade, for use on clock mechanisms. The blade needs to be at least 3/16" long, but no more than 25/1000" thick. Does anyone know of a source for such a screwdriver? UK sources are preferred, if anyone knows of them. I know I can try grinding my own, but I'm not convinced I can do it neatly. Follow-ups set to rec.crafts.metalworking. Many thanks, Chris Tidy Don't expect much torque out of it, but you might try a thickness gauge. You may still need to grind the side to make it narrower. You mean a feeler gauge? I don't think one would be strong enough. It's spring steel. Slot the end of a piece of 3/16 drill rod to 1/2 or so. Insert 3/16 wide piece of .025 feeler gauge. Or hacksaw blade as John suggested. Either is good hard steel. Leave just enough sticking out to bottom in the screw slot, probably 1/16" or so. Epoxy in place. Add a handle for torque Should be plenty strong enough. You could also start the process with an old screwdriver with a 3/16 or larger slotted shank. While this might work, especially with a bi-metal hacksaw blade, I think it sounds harder than trying to grind an existing screwdriver. Chris |
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